From: Remi Vanicat <remi.vanicat@gmail.com>
To: caml-list@inria.fr
Subject: Re: [Caml-list] Re: Pervasives or Printf module ?
Date: Mon, 23 Jan 2006 10:18:29 +0100 [thread overview]
Message-ID: <6b8a91420601230118s24e945e9j@mail.gmail.com> (raw)
In-Reply-To: <dr0cqu$pqh$1@sea.gmane.org>
2006/1/22, Vincenzo Ciancia <vincenzo_yahoo_addressguard-gmane@yahoo.it>:
> Jon Harrop wrote:
>
> > To get the latter to act as the former
> > does, you must beta expand (I think that is the correct technical term)
>
> In computer science literature, alpha conversion is usually the renaming of
> a bound variable (fun x -> T = fun y -> T[y/x] provided that y does not
> occurr in T), beta _reduction_ is function application ((fun x -> T)(T') =
> T[T'/x]) , and _eta_ expansion is the term rewriting you're looking for.
>
> I don't know why, maybe it's just the order in which they were enumerated
> originarily, but where are gamma, delta, epsilon, zeta rewrite rules? :)
In the coq manual, one can see severall other rewriting rule, like
iota-reduction, delta-reduction and zeta-reduction.
prev parent reply other threads:[~2006-01-23 9:18 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-22 15:10 sejourne_kevin
2006-01-22 15:34 ` [Caml-list] " Jon Harrop
2006-01-22 16:27 ` Anil Madhavapeddy
2006-01-22 16:42 ` sejourne_kevin
2006-01-22 16:46 ` Vincenzo Ciancia
2006-01-23 9:18 ` Remi Vanicat [this message]
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